Kenmore 721.80373 Elite Over-the-Range Microwave F-5 Error Fix: Control Board Error

Main control board has internal processing or communication error. Disconnect power for 60 seconds. Replace control board if error persists.

High severity2 fixes available✨ Free fix available

Quick Answer

Error F-5 on the Kenmore 721.80373 Elite Over-the-Range Microwave means: Control Board Error. The top-ranked community fix is “Replace the Main Control Board” (medium difficulty, ~60 min, DIY cost: $20-$30). 2 community-ranked fixes available below.

Published February 2026 · 2 fixes · microwave

Content is based on manufacturer service documentation, community repair experience, and OEM technical bulletins. Always verify with your owner's manual.Learn about our editorial standards.

When to Call a Professional

While many microwave repairs can be done safely at home, consider hiring a qualified technician if:

This is a high severity error — continued use may cause damage or a safety hazard
The repair involves electrical wiring, gas lines, or refrigerant
You've tried the top-ranked fix and the error persists
You smell gas, see sparking, or notice water leaking
The repair requires specialized tools you don't have
Your appliance is still under manufacturer warranty

Average professional repair cost for this issue: $180-$300.

Other Kenmore 721.80373 Elite Over-the-Range Microwave Error Codes

Door Switch Failure

Oven Sensor Open

Oven Sensor Shorted

Touch Pad / Keypad Shorted

2 fixes

F-4

Humidity Sensor Fault

2 fixes

Inverter or Magnetron Error

2 fixes

TURNTABLE STUCK

Turntable Motor Failure

2 fixes

WAVEGUIDE SCORCHED

Waveguide Cover Scorched

2 fixes

People Also Ask About Kenmore 721.80373 Elite Over-the-Range Microwave Error F-5

What does error code F-5 mean on a Kenmore 721.80373 Elite Over-the-Range Microwave?

Error code F-5 on the Kenmore 721.80373 Elite Over-the-Range Microwave means: Control Board Error. Main control board has internal processing or communication error. Disconnect power for 60 seconds. Replace control board if error persists.

How do I fix error code F-5 on my Kenmore 721.80373 Elite Over-the-Range Microwave?

The most successful fix is "Replace the Main Control Board" (medium difficulty, ~60 minutes). Estimated DIY cost: $20-$30. HomeMD has 2 community-ranked fixes for this error.

Is error code F-5 on a Kenmore 721.80373 Elite Over-the-Range Microwave serious?

This error is rated high severity. You should address it promptly — continued use could cause damage or safety concerns.

Can I fix Kenmore 721.80373 Elite Over-the-Range Microwave error F-5 myself?

Yes — the top-ranked community fix ("Replace the Main Control Board") is rated medium difficulty and takes about 60 minutes. Tools needed: T20 Torx screwdriver, Needle-nose pliers.

How much does it cost to repair Kenmore 721.80373 Elite Over-the-Range Microwave error F-5?

DIY cost: $20-$30. Professional repair typically costs $180-$300. Many homeowners save money by trying the top-ranked community fix first.

What other error codes does the Kenmore 721.80373 Elite Over-the-Range Microwave have?

The Kenmore 721.80373 Elite Over-the-Range Microwave has 8 other known error codes, including: DOOR SWITCH FAIL (Door Switch Failure), F-1 (Oven Sensor Open), F-2 (Oven Sensor Shorted), F-3 (Touch Pad / Keypad Shorted), F-4 (Humidity Sensor Fault), and 3 more.

What other error codes does the Kenmore 721.80373 Elite Over-the-Range Microwave have?

The Kenmore 721.80373 Elite Over-the-Range Microwave has 8 other known error codes:

DOOR SWITCH FAIL — Door Switch Failure (2 fixes)
F-1 — Oven Sensor Open (2 fixes)
F-2 — Oven Sensor Shorted (2 fixes)
F-3 — Touch Pad / Keypad Shorted (2 fixes)
F-4 — Humidity Sensor Fault (2 fixes)
SE — Inverter or Magnetron Error (2 fixes)
TURNTABLE STUCK — Turntable Motor Failure (2 fixes)
WAVEGUIDE SCORCHED — Waveguide Cover Scorched (2 fixes)

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